Basically, I don't know what's the best practice to upgrade a package whose apt version is not update-to-date enough. Say I manually compile and install a package A with version x, and historically package A with version y (presumably y < x) is still installed. Should I delete A-y first? I'm wondering if there are tools that can do conflicts check (either automatically or manually) on ubuntu? Because I'm not always aware of the fact that an older version of A is installed.

  • Do you need a package (for distribution reasons) or is just compiling and installing into /usr/local (or /opt) an option? – Ulrich Schwarz Dec 12 '16 at 20:25
  • @UlrichSchwarz I don't need a package for distribution. Just for the ease of maintenance. I think installing to /usr/local or opt would work but I need to update lld path then. – qweruiop Dec 12 '16 at 20:37

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